Display rack



FIG. 1 is a front isometric view of the display rack showing my new design;

FIG. 2 is a front elevational view thereof, the rear elevational view being the same except for the omission of the peg, and the left and right side elevational views being identical to the front elevational view;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a bottom plan view thereof. 

The ornamental design of a display rack, as shown and described. 